LU-1095 debug: Report remaining recovery time consistently

LU-1095 debug: Report remaining recovery time consistently

Consistency is good, always report the remaining recovery time
in the mm:ss format.  This patch get's the last 3 remaining
instances where it is simply reported as a total number of seconds.

Signed-off-by: Christopher J. Morrone <morrone2@llnl.gov>
Change-Id: If5599d8c24b1cd862ab89670553fcd24672cadbc
Reviewed-on: http://review.whamcloud.com/2204
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-by: Lai Siyao <laisiyao@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
(cherry picked from commit e8c6d2e9647b2dc95edddac5e902168816e7f57b)
Reviewed-on: http://review.whamcloud.com/2834